(4-Aminophenyl)urea CAS 21492-80-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21492-80-8 |
| Molecular Formula | C7H9N3O |
| Molecular Weight | 151.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity (4-Aminophenyl)urea (CAS 21492-80-8) pharmaceutical standards reference standard. Molecular formula: C7H9N3O. Molecular weight: 151.17 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H9N3O |
| Molecular Weight | 151.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
Related Aminophenyl Standards
- 1-(3-Aminophenyl)urea (CAS 25711-72-2)
- (3-Aminophenyl)acetic Acid (CAS 14338-36-4)
- 2-Aminophenyl acetate (CAS 82833-70-3)
- 2-(2-Aminophenyl)acetic acid (CAS 3342-78-7)
- 4-Aminophenyl acetate (CAS 13871-68-6)
- 3-(4-Aminophenyl)propan-1-ol (CAS 14572-92-0)
- 2-(2-Aminophenyl)propan-2-ol (CAS 15833-00-8)
- 1-(2-Aminophenyl)propan-1-ol (CAS 59689-19-9)
Recommended Standards
- (1E)-(6-aminopyridin-2-yl)acetaldehyde oxime (CAS 933624-28-3)
- (5,7-Dihydrofuro[3,4-d]pyrimidin-2-yl)methanamine (CAS 944903-79-1)
- 2-(1H-Pyrazolo[5,1-c][1,2,4]triazol-3-yl)ethanamine (CAS 197355-88-7)
- 4-[(3-Iodophenyl)carbonyl]morpholine (CAS 349118-63-4)
- N-methyl-1-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)methanamine (CAS 915921-76-5)
- ((1R,3r)-cyclobutane-1,3-diyl)dimethanol (CAS 77614-65-4)
- Benzyl N-(3-methylazetidin-3-yl)carbamate (CAS 1158758-81-6)
- (2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal-d5 (7E,9E)-|A-Ionylidene-d5 Acetaldehyde (7E,9E)-|A-Ionylideneacetaldehyde-d5 (E,E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal-d5 1185244-72-7 3-Methyl-5-[(2,6,6-trimethylcyclohex-3,3,7,7,7-d5)-1-enyl]penta-2,4-dienal 3-Methyl-5-[2,6,6-trimethyl-1-(cyclohexen-d5)-1-yl]-penta-2,4-dienal (CAS 1185244-72-7)
- 3,4-Dimethylphenol-2,5,6-d3,OD (CAS 1219803-55-0)
- Semaglutide impurity 211 (CAS CATO-C4X-2226211)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com